Ключевые слова: action, active, activity, agility, border, catch, catching, chase, competition, concentration, contest, cross, disc, disk, dog, excitement, exercise, flying, fun, funny, game, grass, happy, high, jack, jack russel terrier, joy, jump, jumping, line, nature, parson, parson russell terrier, pet, play, playing, run, running, russel, skill, sport, summer, terrier, toy, track, training,